tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: ff5378fff024fcb2552e6da22811cf933fe4a4c0 commit: c18bb367938bb02621f45d904531832df1abed2a [2579/2579] share_pool: Implement sp_walk_page_range() config: arm64-randconfig-004-20241213 (https://download.01.org/0day-ci/archive/20241213/202412131028.JwkewMIN-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241213/202412131028.JwkewMIN-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202412131028.JwkewMIN-lkp@intel.com/

All errors (new ones prefixed by >>):

mm/share_pool.c: In function 'sp_hugetlb_entry':

...

mm/share_pool.c:738:21: error: implicit declaration of function 'huge_ptep_get' [-Werror=implicit-function-declaration]

738 | pte_t pte = huge_ptep_get(ptep); | ^~~~~~~~~~~~~

...

mm/share_pool.c:738:21: error: invalid initializer

mm/share_pool.c: At top level: mm/share_pool.c:1116:6: warning: no previous prototype for 'sp_proc_stat_drop' [-Wmissing-prototypes] 1116 | void sp_proc_stat_drop(struct sp_proc_stat *stat) | ^~~~~~~~~~~~~~~~~ mm/share_pool.c:1347:6: warning: no previous prototype for 'spa_overview_show' [-Wmissing-prototypes] 1347 | void spa_overview_show(struct seq_file *seq) | ^~~~~~~~~~~~~~~~~ mm/share_pool.c:1429:6: warning: no previous prototype for 'spg_overview_show' [-Wmissing-prototypes] 1429 | void spg_overview_show(struct seq_file *seq) | ^~~~~~~~~~~~~~~~~ mm/share_pool.c:1561:12: warning: 'proc_overview_show' defined but not used [-Wunused-function] 1561 | static int proc_overview_show(struct seq_file *seq, void *offset) | ^~~~~~~~~~~~~~~~~~ mm/share_pool.c:1518:12: warning: 'proc_stat_show' defined but not used [-Wunused-function] 1518 | static int proc_stat_show(struct seq_file *seq, void *offset) | ^~~~~~~~~~~~~~ mm/share_pool.c:1454:12: warning: 'spa_stat_show' defined but not used [-Wunused-function] 1454 | static int spa_stat_show(struct seq_file *seq, void *offset) | ^~~~~~~~~~~~~ mm/share_pool.c:490:21: warning: 'spa_file' defined but not used [-Wunused-function] 490 | static struct file *spa_file(struct sp_area *spa) | ^~~~~~~~ mm/share_pool.c:485:22: warning: 'spa_size' defined but not used [-Wunused-function] 485 | static unsigned long spa_size(struct sp_area *spa) | ^~~~~~~~ mm/share_pool.c:409:13: warning: 'free_spg_stat' defined but not used [-Wunused-function] 409 | static void free_spg_stat(int spg_id) | ^~~~~~~~~~~~~ mm/share_pool.c:386:12: warning: 'sp_init_spg_stat' defined but not used [-Wunused-function] 386 | static int sp_init_spg_stat(struct sp_group *spg) | ^~~~~~~~~~~~~~~~ mm/share_pool.c:345:30: warning: 'sp_init_process_stat' defined but not used [-Wunused-function] 345 | static struct spg_proc_stat *sp_init_process_stat(struct task_struct *tsk, | ^~~~~~~~~~~~~~~~~~~~ mm/share_pool.c:267:13: warning: 'update_spg_proc_stat_k2u' defined but not used [-Wunused-function] 267 | static void update_spg_proc_stat_k2u(unsigned long size, bool inc, | ^~~~~~~~~~~~~~~~~~~~~~~~ mm/share_pool.c:253:13: warning: 'update_spg_proc_stat_alloc' defined but not used [-Wunused-function] 253 | static void update_spg_proc_stat_alloc(unsigned long size, bool inc, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ mm/share_pool.c:223:13: warning: 'update_spg_stat_k2u' defined but not used [-Wunused-function] 223 | static void update_spg_stat_k2u(unsigned long size, bool inc, | ^~~~~~~~~~~~~~~~~~~ mm/share_pool.c:201:13: warning: 'update_spg_stat_alloc' defined but not used [-Wunused-function] 201 | static void update_spg_stat_alloc(unsigned long size, bool inc, | ^~~~~~~~~~~~~~~~~~~~~ In file included from mm/share_pool.c:27: mm/share_pool.c:105:19: warning: 'sp_group_id_ida' defined but not used [-Wunused-variable] 105 | static DEFINE_IDA(sp_group_id_ida); | ^~~~~~~~~~~~~~~ include/linux/idr.h:253:44: note: in definition of macro 'DEFINE_IDA' 253 | #define DEFINE_IDA(name) struct ida name = IDA_INIT(name) | ^~~~ mm/share_pool.c:99:19: warning: 'sp_group_idr' defined but not used [-Wunused-variable] 99 | static DEFINE_IDR(sp_group_idr); | ^~~~~~~~~~~~ include/linux/idr.h:56:44: note: in definition of macro 'DEFINE_IDR' 56 | #define DEFINE_IDR(name) struct idr name = IDR_INIT(name) | ^~~~ mm/share_pool.c:82:18: warning: 'mdc_default_group_id' defined but not used [-Wunused-const-variable=] 82 | static const int mdc_default_group_id = 1; | ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_KEY_PARSER Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n] Selected by [y]: - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y]

vim +/huge_ptep_get +738 mm/share_pool.c

733 734 static int sp_hugetlb_entry(pte_t *ptep, unsigned long hmask, 735 unsigned long addr, unsigned long next, 736 struct mm_walk *walk) 737 {

738 pte_t pte = huge_ptep_get(ptep);

739 struct page *page = pte_page(pte); 740 struct sp_walk_data *sp_walk_data; 741 742 if (unlikely(!pte_present(pte))) { 743 pr_debug("the page of addr %lx unexpectedly not in RAM\n", (unsigned long)addr); 744 return -EFAULT; 745 } 746 747 sp_walk_data = walk->private; 748 get_page(page); 749 sp_walk_data->pages[sp_walk_data->page_count++] = page; 750 return 0; 751 } 752